Finding the Fourth Proportional to 2,993,486.41, 4,129,787.19 and 2,210,428.63
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Solution
The fourth proportional to 2,993,486.41, 4,129,787.19 and 2,210,428.63 is: 3,049,487.65
Step by Step Solution
- Step 1: Write the proportion equation
2,993,486.41 : 4,129,787.19 = 2,210,428.63 : x - Step 2: Convert to fraction form
2,993,486.41/4,129,787.19 = 2,210,428.63/x - Step 3: Cross multiply
2,993,486.41x = 4,129,787.19 × 2,210,428.63 - Step 4: Simplify right side
2,993,486.41x = 9,128,599,840,583.25 - Step 5: Solve for x
x = 9,128,599,840,583.25/2,993,486.41 - Step 6: Final answer
x = 3,049,487.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.